Cheap Flights from Knoxville to Charleston

Compare Knoxville to Charleston flight deals

Find the cheapest month or even day of the year to fly to Charleston

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Flight deals from Knoxville to Charleston

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Charleston Airport? If you want to travel next month, return fares start from R 3,757. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Knoxville to Charleston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Charleston flights are currently cheapest in July.

Knoxville to Charleston: Alternative routes

Compare routes from Knoxville to Charleston below. You may find an airport to fly into that's cheaper, faster, or easier than Charleston.

Knoxville to Charleston: Flight information

The things to know before you go.
Cheapest flight foundR 1,763
Cheapest month to flyJuly

Finding cheap flights from Knoxville to Charleston: Frequently asked questions

The best price we found for a return flight from Knoxville to Charleston is R 3,757. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Knoxville to Charleston. But we found flights with one or more stops from R 3,757.
As of June 2026, there are no flights flying from Knoxville to Charleston.
The cheapest month to fly from Knoxville to Charleston is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Charleston Airport on Monday, 20 July 2026.
No airlines currently offer direct flights between Knoxville Airport and Charleston Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Charleston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Charleston is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Allegiant Air offers the cheapest flight tickets to Charleston.

Flying from Knoxville Airport (TYS) to Charleston Airport (CHS): what you need to know

  • Knoxville and Charleston share the same timezone, UTC-5.

  • Leave enough time to catch your TYS to CHS flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer queues in popular months like October. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

Handy information about Knoxville Airport (TYS)

  • You'll find TYS at 2055 Alcoa Highway.

  • When it comes to Knoxville Airport's on-time performance, 76% of flights stick to their scheduled arrival time.

  • Knoxville Airport is about 24 kilometres from central Knoxville. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 25 minutes or so to get there, depending on the traffic.

  • The journey on public transport typically takes 50 minutes.

  • Searching for a handy hotel near TYS? If you're catching an early flight from Knoxville Airport to Charleston Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Charleston Airport (CHS)

Getting from Charleston Airport (CHS) to central Charleston

  • Charleston Airport is approximately 19 kilometres from the centre of Charleston. The drive time takes about 25 minutes.

  • It takes roughly 50 minutes if you're travelling on public transport.

When to fly to Charleston Airport (CHS)

  • July is the most popular month for flights from Knoxville Airport to Charleston Airport. To steer clear of the crowds, head to Charleston in March.

  • When reserving your flight from Knoxville Airport to Charleston Airport, think about the kind of weather you enjoy. July is the warmest month in Charleston, with the temperature ranging from 24ºC (75ºF) to 32ºC (90ºF).

  • January sees average temperatures of between 4ºC (39ºF) and 17ºC (63ºF). Look for cheap tickets from TYS to CHS around that time if you like cooler conditions.

Explore more of the United States

  • Charleston has loads to offer, but there are so many other parts of the United States waiting to be explored. About 322 kilometres south-west of Charleston, a trip to Jacksonville will fill your itinerary to the brim. Start with attractions like St. John's Cathedral, Museum of Contemporary Art Jacksonville and The Cummer Museum of Art & Gardens.

  • Charlotte is another well-known destination in the United States and is around 290 kilometres north of Charleston. No journey is complete without experiencing Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.